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MRXI-22 AND MRXI-24

10BASE-T HUB

USER’S GUIDE

CABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03867-5005

The Complete Networking Solution™

Содержание MRXI-22

Страница 1: ...MRXI 22 AND MRXI 24 10BASE T HUB USER S GUIDE CABLETRON SYSTEMS P O Box 5005 Rochester NH 03867 5005 The Complete Networking Solution...

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Страница 3: ...D IN IT EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF KNOWN OR SHOULD HAVE KNOWN THE POSSIBILITY OF SUCH DAMAGES Copyright May 1993 by Cabletron Systems Inc P O Box 5005 Rochester NH 03867 5005 All Ri...

Страница 4: ...perator s manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause interference in which case the user will be required to cor...

Страница 5: ...3 5 Transceiver Requirements 2 6 2 3 6 AUI Cable Requirements 2 6 2 4 OPERATING SPECIFICATIONS 2 7 CHAPTER 3 INSTALLATION 3 1 UNPACKING THE MRXI 3 1 3 2 ATTACHING THE STRAIN RELIEF BRACKET 3 1 3 3 IN...

Страница 6: ...s 5 8 5 3 3 Editing the Community Name Table Screen 5 9 5 4 CONFIGURING THE MRXI 5 10 5 4 1 Accessing the Configuration Screen 5 10 5 4 2 Configuration Screen Fields 5 11 5 4 3 Setting the IP Address...

Страница 7: ...their physical layer components will be helpful when installing the MRXI Chapter 1 Introduction outlines the contents of this manual briefly describes features of the MRXI and concludes with a list of...

Страница 8: ...4 provides twenty four RJ 45 connectors for network ports Additional network connections are made through the use of front panel EPIM modules one module for the MRXI 22 two modules for the MRXI 24 A v...

Страница 9: ...ll still function properly with the and lines within a pair reversed Operating in this condition is not recommended and if this condition is discovered the segment should be removed from the network a...

Страница 10: ...ocal Management 1 6 NETWORK MANAGEMENT CAPABILITIES The MRXI can be controlled and managed by any SNMP network management system These include Cabletron Systems SPECTRUM Cabletron Systems Remote LANVI...

Страница 11: ...al 1 7 RELATED MANUALS Use the following manual to supplement the procedures and other technical data provided in this manual The procedures contained in the following manual are referenced where appr...

Страница 12: ...INTRODUCTION 1 6...

Страница 13: ...I cables connecting the MRXI to the transceivers on the network match the transceiver type on the network segment Ethernet Version 1 Version 2 or IEEE 802 3 type cables and do not exceed 50 meters in...

Страница 14: ...n the link subtract 12 meters from the 150 meter limit This allows for links of up to 126 meters using standard 24 AWG UTP wire and two patch panels within the link Higher quality low attenuation cabl...

Страница 15: ...ise may cause data errors if the impulses occur at very specific times during data transmission Generally the user need not be concerned about noise If noise related data errors are suspected it may b...

Страница 16: ...ce Length The maximum allowable fiber optic cable length is 2 km However IEEE 802 3 specifications allow for a maximum of 1 km 2 3 3 Single Mode Fiber Optic Network Requirements When you connect a Sin...

Страница 17: ...U type coaxial cable must be used when making up a thin net cable segment Length The thin net segment must be no longer than 185 meters Terminations A 50 ohm terminator must be connected to the far en...

Страница 18: ...n Ethernet Version 1 0 device In addition some Version 2 0 equipment does not support the SQE test Devices that do not support SQE test interpret the SQE test pulse as a collision 2 3 6 AUI Cable Requ...

Страница 19: ...ng System Memory 4 MB Internal Processor Intel 80C960CA operating at 24 MHz Ethernet Controller National Semiconductor DP83932 Static RAM 128 KB with battery back up EPROM 128 KB FLASH MEMORY 2 MB Del...

Страница 20: ...segment will disconnect itself from the other segments if 31 consecutive collisions occur or if the collision detector of a segment is on for longer than approximately 110 s This fault protection wil...

Страница 21: ...the switch is on the II side the pairs are not internally swapped Pin outs for RJ 45 connector Position II not crossed over Position X crossed over 1 TX 5 NC 1 RX 5 NC 2 TX 6 RX 2 RX 6 TX 3 RX 7 NC 3...

Страница 22: ...r port If Power Levels are being measured with an Average Power Meter then 3 dBm must be added to the measurement to correctly compare those measured values to the values listed above i e 30 5 dBm pea...

Страница 23: ...easuring power levels with an Average Power Meter add 3 dBm to the average power measurement to correctly compare the average power values measured to the values listed above i e 33 5 dBm average 3 dB...

Страница 24: ...et cable Grounding For safety only one end of a thin net segment should be connected to earth ground Connection to earth ground at more than one point on the segment may cause dangerous ground current...

Страница 25: ...em Port The RJ 45 Modem Port supports access to Local Management via a Hayes compatible modem You can also use this port to support an Uninterruptible Power Supply UPS Type 8 pin RJ 45 Port Pin 1 Tran...

Страница 26: ...unit allows you to use an input power from 85 to 264 VAC 47 63 Hz Parameter Typical Worst Value Case Input Current 0 5 A 0 75 A Overload Protection Output 1 2AG 1 amp fuse ENVIRONMENTAL REQUIREMENTS...

Страница 27: ...INSTALLATION REQUIREMENTS SPECIFICATIONS 2 15 SERVICE MTBF MHBK 217D 70 040 hrs projected MTTR 0 5 hr PHYSICAL Dimensions 2 8H x 17 0W x 13 5D inches 7 2 x 43 6 x 34 6 cm Weight 7 lbs...

Страница 28: ...INSTALLATION REQUIREMENTS SPECIFICATIONS 2 16...

Страница 29: ...f the MRXI Remove the MRXI from the protective plastic bag and set it aside to prevent damage Before you install the MRXI visually inspect the unit and check the contents of the accessory package Cont...

Страница 30: ...g subsections and perform the steps that are applicable for your installation 3 3 1 Rack Mounting the MRXI Refer to Figure 3 2 and perform these steps to install the MRXI in a 19 inch rack 1 Remove fo...

Страница 31: ...securely with the mounting screws as shown in Figure 3 3 Figure 3 3 Installing the MRXI in the Rack 3 3 2 Wall Mounting the MRXI When you wall mount the MRXI the cable connections must face down Refe...

Страница 32: ...al wiring within the wall that interferes with drilling for pilot holes Select a wall location where drilling pilot holes for the Molly screws will not come in contact with electrical wiring in the wa...

Страница 33: ...he wall over the anchors and reinstall the four anchor screws to attach the MRXI to the wall as shown in Figure 3 5 Tighten the four anchor screws 3 3 3 Free Standing Installation For a free standing...

Страница 34: ...test the CPU LED flashes green indicating normal operation If the LED remains red the processor is faulty 3 5 CONNECTING THE MRXI TO THE NETWORK The procedure for connecting Ethernet segments to the M...

Страница 35: ...network and wired correctly by a technician 1 Connect twisted pair segments to the MRXI Network Port see Figure 3 7 by inserting the RJ 45 connector from each twisted pair segment into the desired RJ...

Страница 36: ...nnecting a segment to the EPIM T check each end of the segment to determine if the wires have been crossed over for the proper connection see Figure 3 11 for proper pin outs If the wires are not cross...

Страница 37: ...odule See Figure 3 10 Figure 3 10 The EPIM T 2 Check that the LNK LED for the port is lit If the LED is not lit perform each of the following steps until it is a Check that the 10BASE T device at the...

Страница 38: ...rnal network device attach an AUI cable no longer than 50 meters in length to the port located on the EPIM X See Figure 3 12 You must also set the SQE switch to off CAUTION Ensure that the external tr...

Страница 39: ...rted into the port with the alignment key on the connector inserted into the alignment slot on the port The connector is then turned to lock it down The physical communication link consists of two str...

Страница 40: ...the fiber optic ports on the applicable port on the module and from the ends of the connectors on each fiber strand 2 Attach the fiber labeled 1 to the applicable receive port labeled RX on the module...

Страница 41: ...n o if the thin net segment will not be terminated at the port or externally terminated 2 If the Internal Termination switch is in the On position connect the thin net segment directly to the BNC port...

Страница 42: ...I will be connected does not have the signal quality error SQE or heartbeat test function enabled The MRXI will not operate if the transceiver has the SQE test function enabled and the network will be...

Страница 43: ...t the installation thoroughly making sure that you can address all stations and that the MRXI and all stations are indicating normal operation Ensure that the networking software is configured properl...

Страница 44: ...INSTALLATION 3 16...

Страница 45: ...LED if applicable for the port is lit If the LED is not lit a Check that the 10BASE T device at the other end of the twisted pair segment is powered up b Verify that the connector on the twisted pair...

Страница 46: ...of the Ethernet devices normally attached on any two links Figure 4 1 shows several methods for connecting the LAN MD to test different media types and links connected to the MRXI The LAN MDs exchange...

Страница 47: ...f the Twisted Pair Segment coming from the applicable port on the MRXI 2 Connect a LAN MD to the TPT T by using an AUI cable AUI CABLE LAN MD 9 LAN MD AUI CABLE AUI CABLE FOT F TPT T EPIM F1 2 EPIM T...

Страница 48: ...on either LAN MD connected to the Ethernet network on either side of the wide area link 3 Verify that the Test Status PASS LED is lit and that the Status Code reads 000 or 001 If these two conditions...

Страница 49: ...LEDs PWR Green When this LED is lit it indicates that the MRXI is receiving power If this LED is not lit it indicates a loss of input power Check the input power source circuit breaker fuse etc If th...

Страница 50: ...e pulses are not correct the transceiver enters the Link Fail State and the LED will not be lit The MRXI does not receive or transmit data until it receives a correct link test pulse or a valid packet...

Страница 51: ...e Static System Messages momentarily press the display button at the side of the LCD window Press the display button to scroll through each message If you do not press the display button for 20 second...

Страница 52: ...tware to the Flash EEPROM Console Port Displays the Baud Rate you set in Baud Rate xxxxx Local Management Console Port This can be changed through Function xxxxx Local Management Modem Port Displays t...

Страница 53: ...Inserted EPIM 1 or EPIM 2 EPIM x Displays installation status of Removed EPIM 1 or EPIM 2 EPIM x Indicates unauthorized access Security Violation attempt at EPIM 1 or EPIM 2 CableRedun Fail Indicates...

Страница 54: ...ion Messages include initializing unit download and unit ready messages If Failure or Error messages appear call Cabletron Technical Support Failure or Error Messages Cabletron Cabletron Ctrl Reg Err...

Страница 55: ...ss Saved System Messages Saved System Message are device related startup or boot strap messages BOOTP TFTP host or startup error messages To display Saved System Messages press the display button and...

Страница 56: ...TESTING AND TROUBLESHOOTING 4 12...

Страница 57: ...hich Network Management Workstations receive trap messages from the device navigate through the Management Information Base MIB and manage the objects within it from a remote location Given the approp...

Страница 58: ...the local management terminal If your terminal is a Digital Equipment Corporation VT 320 terminal press F3 to access the Setup Directory If you have a terminal emulation of the Digital Equipment term...

Страница 59: ...the pin out for both cables MENU FUNCTION SELECTION Display Setup Columns 80 Columns Controls Interpret Controls Auto Wrap No Auto Wrap Test Cursor Cursor General Setup Mode 7 Bit Control Cursor Keys...

Страница 60: ...RJ 45 CONSOLE PORT CLEAR TO SEND 2 3 5 7 RECEIVE TRANSMIT SIGNAL GROUND RJ 45 TO 25 PIN CABLE FEMALE 25 Pin D Shell Connector 20 DATA TERMINAL READY 4 1 5 2 6 TRANSMIT RECEIVE DATA SET READY DATA TER...

Страница 61: ...e cable connections for the Uninterruptible Power Supply UPS 1 Plug a straight through twisted pair RS232 cable into the MRXI s RJ 45 Modem Port 2 Plug the other end of the RS232 cable into the adapte...

Страница 62: ...ult password for super user access is public or the Return key Note Your password is one of the community names specified in the Community Name Table Access to certain Local Management capabilities de...

Страница 63: ...ys to highlight an option and press the Return key or press the corresponding Function key The selected screen appears 5 3 COMMUNITY NAME TABLE The Community Name Table Option lets you set community n...

Страница 64: ...e 5 6 Community Name Table Screen 5 3 2 Community Name Table Screen Fields The following briefly explains each field on the Community Name Table screen Community Name Displays the user defined name th...

Страница 65: ...password that you use to access Local Management at the Password screen must have super user access for your edits to take effect If you enter a password with basic read read only or read write acces...

Страница 66: ...te Function key or by using the arrow keys to highlight the RETURN command and pressing the Return key The RETURN command will exit you to the Feature Selection screen 5 4 CONFIGURING THE MRXI At the...

Страница 67: ...setting the bits in the mask to 1 when the network treats the corresponding bits in the IP address as part of the network or subnetwork address or to 0 if the corresponding bit identifies the host MA...

Страница 68: ...you activate UPS Port LOCK Override This command overrides the port locking security feature unlocking all ports in the MRXI Port ENABLE Override This command overrides the port disable feature enabli...

Страница 69: ...keys to highlight the Default Gateway field 2 Enter the gateway s default mask in this field The format for this entry is XXX XXX XXX XXX with values for XXX being from 0 to 255 3 Press the Return key...

Страница 70: ...horized devices will not be allowed to communicate to the MRXI The Port LOCK Override function provides a fail safe recovery in the event that the chassis cannot be unlocked via remote in band managem...

Страница 71: ...ears 4 To exit the Configuration screen press the appropriate Function key To choose the Feature Selection screen use the arrow keys to highlight the RETURN command and press the Return key 5 5 SETTIN...

Страница 72: ...P address Trap IP Address Indicates the IP address of the workstation to receive trap alarms from the MRXI 5 5 3 Configuring the Trap Table 1 Use the arrow keys to highlight the SNMP Community Name fi...

Страница 73: ...press Return or press F6 The message SAVED OK appears Please note that if you attempt to exit the screen without saving your changes a NOT SAVED message appears If you proceed to exit without saving...

Страница 74: ...Tools screen fields and commands on how to use them Community Name Identifies the community name used as a password to determine access level to the MIB component OID Prepend Specifies the number pref...

Страница 75: ...e that object Type specifies the object s variable type e g int integer Data displays what the object identifier represents Recall OID Recalls from memory the last OID used Step Displays the MIB walk...

Страница 76: ...pend is 1 3 6 1 and you enter 4 1 3 then the OID 1 3 6 1 4 1 3 entering an and the OID suffix e g if you enter 4 1 3 then the OID 4 1 3 This allows you to digress and not use the prepend pressing F9 t...

Страница 77: ...he recalled OID if necessary 3 Press the Return key If there is no instance of that OID the return code will specify MIB_NO_INSTANCE otherwise DATA TYPE appears 4 Enter the data type for that OID Poss...

Страница 78: ...t next 1 Highlight Step using the arrow keys and press the Return key Specify OID appears 2 Enter the OID only the suffix is necessary and press Return The Tools screen will begin to scroll one OID at...

Страница 79: ...0 MRXI CLI Information Screen MRXI 960 LOCAL MANAGEMENTCabletron MRXI Revision x xx xx CLI INFORMATION THIS SCREEN RESERVED FOR THE CABLETRON COMMAND LINE INTERFACE COMMUNITY NAMES IP TABLE TRAP TABLE...

Страница 80: ...LOCAL MANAGEMENT 5 24...

Страница 81: ...die Anwendung des Geraetes geeignet und der zum Benuetzen im Lande der Anwendung anerkannt ist SPANISH El cable principal de la red el ctrica utilizado con este equipo debe tener 2 conductores y 1 to...

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